The Canton of Valmont is a former canton situated in the Seine-Maritime département and in the Haute-Normandie region of northern France.

It was disbanded following the French canton reorganisation which came into effect in March 2015.

It consisted of 22 communes,[1] which joined the canton of Fécamp in 2015.

[1] An area of forestry, farming and associated light industry in the arrondissement of Le Havre, centred on the village of Valmont.

The canton comprised 22 communes:[1]